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Finding the Fourth Proportional to 200,520.54, 276,710.22 and 119,900.52

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Solution

The fourth proportional to 200,520.54, 276,710.22 and 119,900.52 is: 165,457.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,520.54 : 276,710.22 = 119,900.52 : x
  2. Step 2: Convert to fraction form
    200,520.54/276,710.22 = 119,900.52/x
  3. Step 3: Cross multiply
    200,520.54x = 276,710.22 × 119,900.52
  4. Step 4: Simplify right side
    200,520.54x = 33,177,699,267.31
  5. Step 5: Solve for x
    x = 33,177,699,267.31/200,520.54
  6. Step 6: Final answer
    x = 165,457.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.